פירוש על שמואל ב 2:16

The Plain of Swords. Yonasan translates the plain of Killing on account of the swords just like you say [in Scriptures] (Tehilim 89, 44)²Rashi is showing how the word צוּר, sharpness, is used in reference to a sword. "You also turned back the sharpness of his sword."